Brief Description

The Electronic Component Model BCM2045SKFBG is an Integrated Circuit chip with a range of features such as ARM926EJ core, 8KB I/D caches, SDIO, IrDA, USB OTG, and Bluetooth interface. It is designed to interface with external stereo DAC through I2S for MP3 music, and has DMA controller with four simultaneous channels.

Specifications and features

• ARM926EJ core at 156 MHz with 8 KB I/D caches
• Integrated analog voice band codec with direct microphone and high output speaker interface
• Interface to external stereo DAC through I2S for MP3 music
• DMA controller with four simultaneous channels
• Key scan controller
• 4-bit SDIO interface to BCM4318E Wi-Fi
• Bluetooth interface via UART and audio PCM
• SDIO, IrDA, 4-bit SD/MMC interfaces
• USB OTG at 12 Mbps
• 2-Megapixel camera interface
• QCIF video encode and decode
• 2D graphics, MPEG-4 SAD, and DCT accelerators
• Serial or parallel LCD interface for 256 K colors at 1.8V
• NOR or NAND Flash support
• SRAM or SDRAM external memory support
• Direct SIM connections at both 3V and 1.8V (no LDO required)
• Integrated 64-tone MIDI polyringer

Application Scenarios

The Electronic Component Model BCM2045SKFBG is commonly used for WLAN IP phone reference design, 802.11 networking support, advanced telephony and multimedia, and Broadcom technology advancements like BroadRange™, SecureEasySetup™, and BroadVoice™. It can also be used in devices requiring Bluetooth and Wi-Fi interfaces for audio and data transfer, with support for USB OTG and camera interfaces.

Comparison

• Integrated analog voice band codec with direct microphone and high output speaker interface makes it well suited for voice applications
• Flexible interfaces for Bluetooth, Wi-Fi, USB OTG, SD/MMC, and SIM connections allow for compatibility with various devices and applications
• Supports a wide range of voice codecs, including G.711, G.729A/AB, G.726, G.722, G.723.1, AMR, and BV32, for optimal audio quality
• Features BroadRange™ technology for enhanced Wi-Fi range and throughput, and SecureEasySetup™ for easy and secure setup of wireless networks

• Not ideal for high performance or heavy processing applications due to the limited clock frequency of 156 MHz
• May require additional external components for some applications, such as a stereo DAC for high-quality audio playback